minor #15361 Bump Symfony PHP requirements to 8.0.2 (javiereguiluz)

This PR was squashed before being merged into the 6.0 branch.

Discussion
----------

Bump Symfony PHP requirements to 8.0.2

Fixes #15360.

Commits
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1fbacaf Bump Symfony PHP requirements to 8.0.2

Author: javiereguiluz

components/property_info.rst

@@ -122,7 +122,7 @@ class exposes public methods to extract several types of information:
 
 * :ref:`List of properties <property-info-list>`: :method:`Symfony\\Component\\PropertyInfo\\PropertyListExtractorInterface::getProperties`
 * :ref:`Property type <property-info-type>`: :method:`Symfony\\Component\\PropertyInfo\\PropertyTypeExtractorInterface::getTypes`
-  (including typed properties since PHP 7.4)
+  (including typed properties)
 * :ref:`Property description <property-info-description>`: :method:`Symfony\\Component\\PropertyInfo\\PropertyDescriptionExtractorInterface::getShortDescription` and :method:`Symfony\\Component\\PropertyInfo\\PropertyDescriptionExtractorInterface::getLongDescription`
 * :ref:`Property access details <property-info-access>`: :method:`Symfony\\Component\\PropertyInfo\\PropertyAccessExtractorInterface::isReadable` and  :method:`Symfony\\Component\\PropertyInfo\\PropertyAccessExtractorInterface::isWritable`
 * :ref:`Property initializable through the constructor <property-info-initializable>`:  :method:`Symfony\\Component\\PropertyInfo\\PropertyInitializableExtractorInterface::isInitializable`
@@ -357,7 +357,7 @@ Using PHP reflection, the :class:`Symfony\\Component\\PropertyInfo\\Extractor\\R
 provides list, type and access information from setter and accessor methods.
 It can also give the type of a property (even extracting it from the constructor
 arguments), and if it is initializable through the constructor. It supports
-return and scalar types for PHP 7::
+return and scalar types::
 
     use Symfony\Component\PropertyInfo\Extractor\ReflectionExtractor;
 

configuration/secrets.rst

@@ -14,10 +14,7 @@ store them by using Symfony's secrets management system - sometimes called a
 
 .. note::
 
-    The Secrets system requires the sodium PHP extension that is bundled
-    with PHP 7.2. If you're using an earlier PHP version, you can
-    install the `libsodium`_ PHP extension or use the
-    `paragonie/sodium_compat`_ package.
+    The Secrets system requires the Sodium PHP extension.
 
 .. _secrets-generate-keys:
 
@@ -317,7 +314,3 @@ The secrets system is enabled by default and some of its behavior can be configu
                 // ->decryptionEnvVar('base64:default::SYMFONY_DECRYPTION_SECRET')
             ;
         };
-
-
-.. _`libsodium`: https://pecl.php.net/package/libsodium
-.. _`paragonie/sodium_compat`: https://github.com/paragonie/sodium_compat

quick_tour/the_big_picture.rst

@@ -14,7 +14,7 @@ safe & easy!) and offers long-term support.
 Downloading Symfony
 -------------------
 
-First, make sure you've installed `Composer`_ and have PHP 7.1.3 or higher.
+First, make sure you've installed `Composer`_ and have PHP 8.0.2 or higher.
 
 Ready? In a terminal, run:
 

reference/configuration/framework.rst

@@ -1656,11 +1656,6 @@ The possible values for this option are:
   user consciously made the request (by clicking a link or submitting a form
   with the ``GET`` method).
 
-.. note::
-
-    This option is available starting from PHP 7.3, but Symfony has a polyfill
-    so you can use it with any older PHP version as well.
-
 cookie_secure
 .............
 

reference/configuration/security.rst

@@ -327,8 +327,7 @@ Using the Sodium Password Hasher
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 It uses the `Argon2 key derivation function`_ and it's the hasher recommended
-by Symfony. Argon2 support was introduced in PHP 7.2, but if you use an earlier
-PHP version, you can install the `libsodium`_ PHP extension.
+by Symfony.
 
 The hashed passwords are ``96`` characters long, but due to the hashing
 requirements saved in the resulting hash this may change in the future, so make
@@ -853,7 +852,6 @@ role inheritance rules by creating a role hierarchy, as explained in
 :ref:`security-role-hierarchy`.
 
 .. _`PBKDF2`: https://en.wikipedia.org/wiki/PBKDF2
-.. _`libsodium`: https://pecl.php.net/package/libsodium
 .. _`Session Fixation`: https://owasp.org/www-community/attacks/Session_fixation
 .. _`Argon2 key derivation function`: https://en.wikipedia.org/wiki/Argon2
 .. _`bcrypt password hashing function`: https://en.wikipedia.org/wiki/Bcrypt

security/named_hashers.rst

@@ -110,9 +110,7 @@ be done with named hashers:
 
 .. note::
 
-    If you are running PHP 7.2+ or have the `libsodium`_ extension installed,
-    then the recommended hashing algorithm to use is
-    :ref:`Sodium <reference-security-sodium>`.
+    The recommended hashing algorithm to use is :ref:`Sodium <reference-security-sodium>`.
 
 This creates a hasher named ``harsh``. In order for a ``User`` instance
 to use it, the class must implement
@@ -188,5 +186,3 @@ you must register a service for it in order to use it as a named hasher:
 
 This creates a hasher named ``app_hasher`` from a service with the ID
 ``App\Security\Hasher\MyCustomPasswordHasher``.
-
-.. _`libsodium`: https://pecl.php.net/package/libsodium

setup.rst

@@ -17,8 +17,8 @@ Technical Requirements
 
 Before creating your first Symfony application you must:
 
-* Install PHP 7.2.5 or higher and these PHP extensions (which are installed and
-  enabled by default in most PHP 7 installations): `Ctype`_, `iconv`_, `JSON`_,
+* Install PHP 8.0.2 or higher and these PHP extensions (which are installed and
+  enabled by default in most PHP 8 installations): `Ctype`_, `iconv`_,
   `PCRE`_, `Session`_, `SimpleXML`_, and `Tokenizer`_;
 * `Install Composer`_, which is used to install PHP packages.
 
@@ -315,7 +315,6 @@ Learn More
 .. _`Contrib recipe repository`: https://github.com/symfony/recipes-contrib
 .. _`Symfony Recipes documentation`: https://github.com/symfony/recipes/blob/master/README.rst
 .. _`iconv`: https://www.php.net/book.iconv
-.. _`JSON`: https://www.php.net/book.json
 .. _`Session`: https://www.php.net/book.session
 .. _`Ctype`: https://www.php.net/book.ctype
 .. _`Tokenizer`: https://www.php.net/book.tokenizer